Seeing Squares
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a square.
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a square.
The computer has made a rectangle and will tell you the number of spots it uses in total. Can you find out where the rectangle is?
Four bags contain 1s, 3s, 5s and 7s. Can you pick ten numbers from the bags so that their total is 37?
How many possible symmetrical necklaces can you find? How do you know you've found them all?
Here are four cubes joined together. How many other arrangements of four cubes can you find? Can you draw them on dotty paper?
Lola bought a balloon at the circus using six coins. What could Lola have paid for the balloon?
There are six numbers written in five different scripts. Can you sort out which is which?
Put operations signs between the numbers 3, 4, 5 and 6. What answers can you make?